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ST-IDE-ROM Dev Board v1 - BETA Testers

Related information and WIP etc
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rubber_jonnie
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by rubber_jonnie »

exxos wrote: 26 Jan 2026 16:17 Problem is I don't know if the chips were protected or not.. Quite possibly they are protected... But I guess you could see if your programmer would even recognise the device..

Though at the time I was doing this stuff you had to had the official ATMEL programmer... Maybe things have changed now.. @agranlund @PhilC ?
I don't think I did, need to go have a look what I've got, but as I said, I think they came pre-programmed for me as evidenced by the flag sticker on the CPLD, not something I'd do..
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800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by exxos »

Had a route around and found the latest boards ! Question is, can I be really bothered to build one of these up :lol: :roll:

IMG_4494.JPG

Looking at the schematic, I am already puzzled, because for some reason I removed the series resistor off the LED :shrug:
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rubber_jonnie
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by rubber_jonnie »

exxos wrote: 26 Jan 2026 16:41 Looking at the schematic, I am already puzzled, because for some reason I removed the series resistor off the LED :shrug:
:dizzy:
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by exxos »

ahhh

viewtopic.php?p=34718&hilit=led#p34718

I thought the only possible way will be either multiplexing or a fixed resistor built into the LED which I don't normally use..

So yay me for writing this stuff down somewhere! :D :lol:

Only possible problem is this likely assumes a CF card being standard in how it operates.. So I guess if the LED catches fire.. put a 1K in series with it.. :lol: :roll:
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by PhilC »

@exxos there are other methods now to program them now, even copy atmel programmers apparently, I've got a proper one that I got through eBay..
If it ain't broke, test it to Destruction.
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Re: ST-IDE-ROM Dev Board v1 - BETA Testers

Post by exxos »

Sooooooo close... can't find anymore bits :(

IMG_4495.JPG

It's also a reminder how completely annoying through-hole soldering is !
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